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the simplest conveyor: an inclined plane along which cargoes are moved by gravity.
Chutes for piece cargo have a rectangular cross section, occasionally they are flat (without sides). For bulk, lump, or fluid materials they have a trapezoidal, circular, or oval cross section and are called troughs. Spiral chutes are used to convey cargoes from great heights. Chutes may consist of sections, which, when necessary, can be arranged to branch out in various directions.
an open conduit for the movement of water without pressure.
Chutes made for use in hydraulic engineering are set up along canals or in hydraulic-engineering complexes for timber slides or fish ladders; those made for laboratories are used for teaching and in studying models of hydraulic-engineering structures. Chutes are built of wood, concrete, reinforced concrete, stone, or steel. (Laboratory chutes are made of glass and plastics.) The most common are wooden chutes (used chiefly in regions where wood is plentiful) and reinforced-concrete chutes (used in hydraulic-engineering and land-improvement construction). The cross section of a chute may be rectangular, trapezoidal, triangular, or curvilinear (semicircular or parabolic). Depending on the local topography, hydraulic-engineering chutes are set on smooth ground or on special supports (piers).
N. N. PASHKOV
an inclined mining excavation that does not have a direct exit to the surface and is used to lower various loads by gravity.
ii. An inflatable slide for the emergency escape of passengers from an aircraft.
iii. A duct for discharging objects (e.g., leaflets or electronic countermeasure items) from an aircraft in flight.
iv. Any passage or slide through which objects are directed, such as an ejection chute or a link ejection chute.